/* ==========================================================================
   ANTI-GRAVITY V3.2 — PERSONA STUDIO MODULE
   Persona Cards, Grid, Builder Form, Endpoint Display & Token Counter
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. PERSONA GRID
   -------------------------------------------------------------------------- */
.persona-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}

@media (max-width: 480px) {
    .persona-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   2. PERSONA CARD
   -------------------------------------------------------------------------- */
.persona-card {
    background: var(--surface-bg);
    border-radius: var(--radius-box);
    box-shadow: var(--shadow-v3);
    overflow: hidden;
    border: 0;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.persona-card:hover {
    transform: translateY(-2px);
    box-shadow: rgba(0, 0, 0, 0.45) 0px 6px 18px 0px;
}

.persona-card.inactive {
    opacity: 0.55;
}

/* --- Card Header --- */
.persona-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--hairline);
}

.persona-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-box);
    background: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
    text-transform: uppercase;
}

.persona-card-header-info {
    flex: 1;
    min-width: 0;
}

.persona-card-header-info h3 {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.persona-card-header-info .persona-model {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* --- Card Body --- */
.persona-card-body {
    padding: 16px;
    flex: 1;
}

.persona-description {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.persona-prompt-preview {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    max-height: 60px;
    overflow: hidden;
    background: var(--surface-deep);
    padding: 10px;
    border-radius: var(--radius-btn);
    line-height: 1.5;
    position: relative;
}

.persona-prompt-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(transparent, var(--surface-deep));
}

/* --- Card Footer --- */
.persona-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--hairline);
    gap: 8px;
}

.persona-endpoint {
    font-family: var(--font-mono);
    font-size: 10px;
    background: var(--surface-deep);
    padding: 6px 10px;
    border-radius: var(--radius-btn);
    color: var(--accent-cyan);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.persona-card-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   3. PERSONA BUILDER (Create/Edit Modal Content)
   -------------------------------------------------------------------------- */
.persona-builder {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.persona-builder-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .persona-builder-split {
        grid-template-columns: 1fr;
    }
}

/* --- Token Counter --- */
.token-counter {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-amber);
}

.token-counter i {
    font-size: 10px;
}

.token-counter.over-limit {
    color: var(--accent-red);
}

/* --- Prompt Editor --- */
.prompt-editor-wrapper {
    position: relative;
}

.prompt-editor-wrapper .token-counter {
    position: absolute;
    bottom: 8px;
    right: 10px;
}

/* --- Model Color Tags --- */
.model-tag-anthropic { color: #d4a574; }
.model-tag-openai { color: #74aa9c; }
.model-tag-google { color: #4285f4; }
.model-tag-deepseek { color: #6366f1; }

/* --------------------------------------------------------------------------
   4. PAGE HEADER (Persona Page)
   -------------------------------------------------------------------------- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header-info h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

.page-header-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}